Document Detail


Effects of aerobic conditioning on cardiovascular sympathetic response to and recovery from challenge.
MedLine Citation:
PMID:  23889039     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Exercise has widely documented cardioprotective effects, but the mechanisms behind these effects are still poorly understood. Here, we test the hypothesis that aerobic training lowers cardiovascular sympathetic responses to and speeds recovery from challenge. We conducted a randomized, controlled trial contrasting aerobic versus strength training on indices of cardiac (pre-ejection period, PEP) and vascular (low-frequency blood pressure variability, LF-BPV) sympathetic responses to and recovery from psychological and orthostatic challenge in 149 young, healthy, sedentary adults. Aerobic and strength training did not alter PEP or LF-BPV reactivity to or recovery from challenge. These findings, from a large randomized, controlled trial using an intent-to-treat design, show that moderate aerobic exercise training has no effect on PEP and LF-BPV reactivity to or recovery from psychological or orthostatic challenge. In healthy young adults, the cardioprotective effects of exercise training are unlikely to be mediated by changes in sympathetic activity.
Authors:
M Lindgren; C Alex; P A Shapiro; P S McKinley; E N Brondolo; M M Myers; C J Choi; S Lopez-Pintado; R P Sloan
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-7-28
Journal Detail:
Title:  Psychophysiology     Volume:  -     ISSN:  1540-5958     ISO Abbreviation:  Psychophysiology     Publication Date:  2013 Jul 
Date Detail:
Created Date:  2013-7-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0142657     Medline TA:  Psychophysiology     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 Society for Psychophysiological Research.
Affiliation:
Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
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